bits 64

    SECTION .data
; empty

    SECTION .text
global _start
_start:
    %include "header.asm.inc"
    
    mov     eax, 0x00000001 ; +1
    mov     ebx, 0x00000005 ; +5
    add     eax, ebx        ; eax = eax + ebx
    sub     eax, ebx        ; eax = eax - ebx
    add     eax, 0x42       ; eax += 42

    ; integer over-/underflows
    mov     eax, 0x0        ; eax = 0
    sub     eax, 1          ; eax -= 1:   eax = 0xFFFFFFFF

    mov     eax, 0xFFFFFFFF ; eax = -1
    add     eax, 1          ; eax += 1:   eax = 0x00000000

    mov     eax, 0x0
    inc     eax             ; eax++
    dec     eax             ; eax--

    %include "sysexit.asm.inc"